Marina Henke: A few years ago, a group of scientists researching salmon die-offs in the Pacific Northwest found the culprit: ...

Emergencies and natural disasters ... In fact, it’s a big source of air pollution in the U.S. Choose to eat or gather at tobacco-free places. Smoke from cigarettes or smoking tools like vapes ...

Improved computer models shed light on how reducing sulphur emissions will inadvertently release methane from wetlands.

People may be exposed to unhealthy levels of airborne pollutants inside their homes, even if the outdoor air quality is good, ...